Practical training device for hazardous chemical peroxidation process

Abstract

The utility model discloses a hazardous chemical peroxidation process practical training device, which comprises a gas-liquid separator, a hydrogenation liquid circulating preheater, a hydrogenation tower, an extraction tower, an oxidation liquid separation tank, an extraction tower feed pump, an oxidation tower, a hydrogenation liquid cooler, a hydrogenation liquid pump, a working liquid preheater and an air blower, and is characterized in that the working liquid preheater is connected with the hydrogenation tower through a pipeline; the practical training device has the advantages that the practical training device embodies a pipeline connection structure among the gas-liquid separator, the hydrogenation liquid circulating preheater, the hydrogenation tower, the extraction tower, the oxidation liquid separation tank, the extraction tower feeding pump, the oxidation tower, the hydrogenation liquid cooler and the like; the circulation of raw materials in the peroxidation reaction and the circulation and circulation process of substances such as gas and liquid generated after the reaction are reflected, so that trainees can fully understand the content of the peroxidation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to dangerous chemical peroxidation process practical training device belongs to chemical teaching equipment technical field. BACKGROUND

[0002] The reaction of introducing peroxide group (-O-O-) into the molecule of organic compound is called peroxidation reaction, and the process of obtaining peroxide product is peroxidation process. The dangerous characteristics of this process are that peroxide contains peroxide group (-O-O-), which belongs to energetic material. Because the peroxide bond has weak binding force, the energy required for its rupture is not large, and it is extremely sensitive to heat, vibration, impact or friction, and it can easily decompose and even explode, which has the risk of burning and explosion. Therefore, before new workers go to work, they need to receive comprehensive safety training, understand the basic principles, operation process, potential dangers and emergency treatment measures of peroxidation process, and learn the equipment and instruments comprehensively before work, which requires a practical training device to fully simulate the actual production process of the factory under safe conditions. SUMMARY

[0003] The utility model provides a dangerous chemical peroxidation process practical training device which has strong intuitiveness, comprehensive coverage and safety and reliability.

[0004] The utility model provides a dangerous chemical peroxidation process practical training device which has strong intuitiveness, comprehensive coverage and safety and reliability.

[0005] To achieve the purpose of the utility model, the technical scheme adopted by the utility model is:

[0006] Dangerous chemical peroxidation process practical training device, including gas-liquid separator, hydrogenation liquid circulation preheater, hydrogenation tower, extraction tower, oxidation liquid separation tank, extraction tower feed pump, oxidation tower, hydrogenation liquid cooler, hydrogenation liquid pump, working liquid preheater and air blower, working liquid preheater is connected with hydrogenation tower through pipeline, working liquid preheater is connected with hydrogenation liquid circulation preheater through pipeline, hydrogenation liquid circulation preheater is connected with hydrogenation tower through pipeline, hydrogenation liquid circulation preheater is connected with hydrogenation liquid pump through pipeline, hydrogenation liquid pump is connected with gas-liquid separator through pipeline, gas-liquid separator is connected with hydrogenation tower through pipeline, hydrogenation liquid pump is connected with hydrogenation liquid cooler through pipeline, hydrogenation liquid cooler is connected with oxidation tower through pipeline, hydrogenation liquid cooler is connected with air blower through pipeline, air blower is connected with oxidation tower through pipeline, oxidation tower is connected with oxidation liquid separation tank through pipeline, oxidation liquid separation tank is connected with extraction tower feed pump through pipeline, extraction tower feed pump is connected with extraction tower through pipeline.

[0007] Preferably, the dangerous chemical peroxidation process practical training device comprises a two-layer guardrail frame, and a step ladder is arranged on the left side of the two-layer guardrail frame.

[0008] As preferably, the gas-liquid separator, hydrogenated liquid pump, hydrogenated liquid cooler, extraction tower feed pump, oxidized liquid separation tank, blower are all installed under the lower layer of guardrail frame.

[0009] As preferably, the working liquid preheater, hydrogenated liquid circulation preheater are all installed on the upper layer of guardrail frame.

[0010] The advantage of the utility model is: the practical training device embodies the pipeline connection structure between gas-liquid separator, hydrogenated liquid circulation preheater, hydrogenation tower, extraction tower, oxidized liquid separation tank, extraction tower feed pump, oxidation tower, hydrogenated liquid cooler and other equipment, embodies the circulation of raw materials in peroxidation reaction and the circulation process of gas, liquid and other substances produced after reaction, and can make students fully understand the content of peroxidation process.

[0011] The system selects typical dangerous chemical processes according to the requirements of the Notification of the State Administration of Work Safety on Publishing the First Batch of Dangerous Chemical Processes under Key Supervision (No. 116 of 2009), the Safety Control Requirements, Key Monitoring Parameters and Recommended Control Scheme of the First Batch of Dangerous Chemical Processes under Key Supervision, and the Key Monitoring Parameters, Basic Safety Control Requirements and Recommended Control Scheme of the Second Batch of Dangerous Chemical Processes under Key Supervision, designs examination questions around the dangerous characteristics of the processes and key monitoring process parameters, meets the safety control requirements, and uses appropriate control methods to handle process abnormal conditions and emergency disposal of accidents.

[0012] The system simplifies the actual production chemical process, retains general units and specific unit equipment, compiles start-up and shutdown training content, and helps understand the setting principle of process dangerous characteristics and key monitoring process parameters. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the front view of the dangerous chemical peroxidation process practical training device of the utility model;

[0014] Figure 2 is the left view of the dangerous chemical peroxidation process practical training device of the utility model;

[0015] Figure 3 is the perspective view of the dangerous chemical peroxidation process practical training device of the utility model;

[0016] Figure 4 is the detailed process flow Figure 1 ;

[0017] Figure 5 is the detailed process flow Figure 2 ;

[0018] Figure 6 is a partial process flow enlargement view of the hydrogenation liquid circulation preheater;

[0019] Figure 7 is a partial process flow enlargement view of the oxidation tower;

[0020] In the figure: 1, gas-liquid separator 2, hydrogenation liquid circulation preheater 3, hydrogenation tower 4, extraction tower 5, oxidation liquid separation tank 6, extraction tower feed pump 7, oxidation tower 8, hydrogenation liquid cooler 9, hydrogenation liquid pump 10, working liquid preheater 11, air blower. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and examples.

[0022] The technical solutions of the utility model will be clearly and completely described below in combination with the drawings. Obviously, the described examples are part of the examples of the utility model, rather than all the examples. Based on the examples in the utility model, all the other examples obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model. In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. The utility model will be further described in detail below in combination with the drawings.

[0023] As Figures 1-6As shown, the utility model dangerous chemical peroxide oxidation process practical training device, including gas -liquid separator 1, hydrogenation liquid circulation preheater 2, hydrogenation tower 3, extraction tower 4, oxidation liquid separation tank 5, extraction tower feed pump 6, oxidation tower 7, hydrogenation liquid cooler 8, hydrogenation liquid pump 9, working liquid preheater 10 and air blower 11, working liquid preheater 10 is connected with hydrogenation tower 3 through pipeline, working liquid preheater 10 is connected with hydrogenation liquid circulation preheater 2 through pipeline, hydrogenation liquid circulation preheater 2 is connected with hydrogenation tower 3 through pipeline, hydrogenation liquid circulation preheater 2 is connected with hydrogenation liquid pump 9 through pipeline, hydrogenation liquid pump 9 is connected with gas -liquid separator 1 through pipeline, gas -liquid separator 1 is connected with hydrogenation tower 3 through pipeline, hydrogenation liquid pump 9 is connected with hydrogenation liquid cooler 8 through pipeline, hydrogenation liquid cooler 8 is connected with oxidation tower 7 through pipeline, hydrogenation liquid cooler 8 is connected with air blower 11 through pipeline, air blower 11 is connected with oxidation tower 7 through pipeline, oxidation tower 7 is connected with oxidation liquid separation tank 5 through pipeline, oxidation liquid separation tank 5 is connected with extraction tower feed pump 6 through pipeline, extraction tower feed pump 6 is connected with extraction tower 4 through pipeline.

[0024] Preferably, the dangerous chemical peroxide oxidation process practical training device includes a two-layer guardrail frame, and a step ladder is arranged on the left side of the two-layer guardrail frame.

[0025] Preferably, the gas-liquid separator 1, the hydrogenation liquid pump 9, the hydrogenation liquid cooler 8, the extraction tower feed pump 6, the oxidation liquid separation tank 5 and the air blower 11 are all installed on the lower layer of the two-layer guardrail frame.

[0026] Preferably, the working liquid preheater 10 and the hydrogenation liquid circulation preheater 2 are both installed on the upper layer of the two-layer guardrail frame.

[0027] The process of the practical training device is as follows: the working liquid from the tank area is preheated by the working liquid preheater 10E-101 to the required temperature, and then enters the top of the hydrogenation tower 3T-101 together with hydrogen; the completely reacted hydrogenation liquid from the hydrogenation tower 3 enters the hydrogenation liquid cooler 8 through the hydrogenation liquid pump 9; the incompletely reacted hydrogenation liquid from the hydrogenation tower 3 enters the hydrogenation tower 3 through the hydrogen liquid pump and the hydrogenation liquid circulation preheater 2, becomes completely reacted hydrogenation liquid, enters the hydrogenation liquid cooler 8 through the hydrogenation liquid pump 9, and then enters the bottom of the upper section of the oxidation tower 7 after being cooled to a certain temperature; the gas in the oxidation tower 7 is separated from the top of the lower section of the oxidation tower 7 and enters the oxidation liquid separator; the completely oxidized working liquid (i.e. oxidation liquid) enters the oxidation liquid separator, and then is transported to the extraction tower 4 after being separated from the non-condensable gas; the liquid level in the oxidation liquid separator is stabilized by the automatic control instrument. The hydrogenation liquid pump 9 needs to handle the incompletely reacted hydrogenation liquid and the completely reacted hydrogenation liquid, and transport them to different processing units respectively. The hydrogenation liquid pump 9 has high-quality valves and control systems to ensure the accurate distribution and flow control of the liquid. The oxidation liquid containing H202 enters from the bottom of the extraction tower 4, and countercurrent extraction is performed with the upward floating oxidation liquid. The H202 concentration of the water gradually increases during the process of flowing from the top of the extraction tower 4 to the bottom of the extraction tower 4, and the water flows out from the bottom of the extraction tower 4. The H202 content of the oxidation liquid gradually decreases during the process of multiple dispersion and aggregation of the upward floating oxidation liquid, and finally the oxidation liquid flows out from the top of the extraction tower 4.

[0028] The practical training device reflects the connection structure of the pipelines between the gas-liquid separator 1, the hydrogenation liquid circulation preheater 2, the hydrogenation tower 3, the extraction tower 4, the oxidation liquid separation tank 5, the extraction tower feed pump 6, the oxidation tower 7, and the hydrogenation liquid cooler 8, reflects the flow and circulation process of the raw materials in the peroxidation reaction and the gas, liquid and other substances generated after the reaction, and enables students to fully understand the content of the peroxidation process.

Claims

1. A dangerous chemical peroxidation process practical training device, comprising a gas-liquid separator (1), a hydrogenation liquid circulation preheater (2), a hydrogenation tower (3), an extraction tower (4), an oxidation liquid separation tank (5), an extraction tower feed pump (6), an oxidation tower (7), a hydrogenation liquid cooler (8), a hydrogenation liquid pump (9), a working liquid preheater (10), and a blower (11), characterized in that, The working liquid preheater (10) is connected with the hydrogenation tower (3) through a pipeline, the working liquid preheater (10) is connected with the hydrogenation liquid circulation preheater (2) through a pipeline, the hydrogenation liquid circulation preheater (2) is connected with the hydrogenation tower (3) through a pipeline, the hydrogenation liquid circulation preheater (2) is connected with the hydrogenation liquid pump (9) through a pipeline, the hydrogenation liquid pump (9) is connected with the gas-liquid separator (1) through a pipeline, the gas-liquid separator (1) is connected with the hydrogenation tower (3) through a pipeline, the hydrogenation liquid pump (9) is connected with the hydrogenation liquid cooler (8) through a pipeline, the hydrogenation liquid cooler (8) is connected with the oxidation tower (7) through a pipeline, the hydrogenation liquid cooler (8) is connected with the air blower (11) through a pipeline, the air blower (11) is connected with the oxidation tower (7) through a pipeline, the oxidation tower (7) is connected with the oxidation liquid separation tank (5) through a pipeline, the oxidation liquid separation tank (5) is connected with the extraction tower feed pump (6) through a pipeline, and the extraction tower feed pump (6) is connected with the extraction tower (4) through a pipeline.

2. The dangerous chemical peroxide process training device according to claim 1, wherein, The dangerous chemical peroxidation process practical training device comprises a two-layer guardrail frame.

3. The hazardous peroxide process training device of claim 1, wherein, The gas-liquid separator (1), the hydrogenation liquid pump (9), the hydrogenation liquid cooler (8), the extraction tower feed pump (6), the oxidation liquid separation tank (5) and the air blower (11) are all installed on the lower layer of the two-layer guardrail frame.

4. The hazardous peroxide process training device of claim 1, wherein, The working liquid preheater (10) and the hydrogenation liquid circulation preheater (2) are both installed on the upper layer of the two-layer guardrail frame.

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